Subversion Repositories Kolibri OS

Rev

Rev 580 | Rev 593 | Go to most recent revision | Show entire file | Regard whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 580 Rev 581
Line 1... Line 1...
1 
$Revision: 580 $
 1 
$Revision: 581 $
2 
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 2 
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
3 
;;                                                              ;;
 3 
;;                                                              ;;
4 
;; Copyright (C) KolibriOS team 2004-2007. All rights reserved. ;;
 4 
;; Copyright (C) KolibriOS team 2004-2007. All rights reserved. ;;
5 
;; Distributed under terms of the GNU General Public License    ;;
 5 
;; Distributed under terms of the GNU General Public License    ;;
6 
;;                                                              ;;
 6 
;;                                                              ;;
Line 468... Line 468...
468 
 
 468 
 
469 
iglobal
 469 
iglobal
470 
align 4
 470 
align 4
471 
; note that IDE descriptor table must be 4-byte aligned and do not cross 4K boundary
 471 
; note that IDE descriptor table must be 4-byte aligned and do not cross 4K boundary
472 
IDE_descriptor_table:
 472 
IDE_descriptor_table:
473 
        dd      0x284000
 473 
        dd      IDE_DMA
474 
        dw      0x2000
 474 
        dw      0x2000
Line 475... Line 475...
475 
        dw      0x8000
 475 
        dw      0x8000
476 
 
 476 
 
Line 562... Line 562...
562 
        cmp     [esp+4], edx
 562 
        cmp     [esp+4], edx
563 
        ja      .notread
 563 
        ja      .notread
564 
        mov     eax, [esp+4]
 564 
        mov     eax, [esp+4]
565 
        sub     eax, [dma_cur_sector]
 565 
        sub     eax, [dma_cur_sector]
566 
        shl     eax, 9
 566 
        shl     eax, 9
567 
        add     eax, OS_BASE+0x284000
 567 
        add     eax, (OS_BASE+IDE_DMA)
568 
        push    ecx esi edi
 568 
        push    ecx esi edi
569 
        mov     esi, eax
 569 
        mov     esi, eax
570 
        shl     edi, 9
 570 
        shl     edi, 9
571 
;        add     edi, HD_CACHE+0x10000
 571 
;        add     edi, HD_CACHE+0x10000
572 
        push  eax
 572 
        push  eax
Line 581... Line 581...
581 
        pop     edx
 581 
        pop     edx
582 
        pop     eax
 582 
        pop     eax
583 
        ret
 583 
        ret
584 
.notread:
 584 
.notread:
585 
        mov     eax, IDE_descriptor_table
 585 
        mov     eax, IDE_descriptor_table
586 
        mov     dword [eax],  0x284000
 586 
        mov     dword [eax],  IDE_DMA
587 
        mov     word [eax+4], 0x2000
 587 
        mov     word [eax+4], 0x2000
588 
        sub     eax, OS_BASE
 588 
        sub     eax, OS_BASE
589 
        mov     dx, [IDEContrRegsBaseAddr]
 589 
        mov     dx, [IDEContrRegsBaseAddr]
590 
        cmp     [hdbase], 0x1F0
 590 
        cmp     [hdbase], 0x1F0
591 
        jz      @f
 591 
        jz      @f
Line 673... Line 673...
673 
        pusha
 673 
        pusha
674 
        mov     esi,[cache_chain_pos]
 674 
        mov     esi,[cache_chain_pos]
675 
        shl     esi, 9
 675 
        shl     esi, 9
676 
        call    calculate_cache_2
 676 
        call    calculate_cache_2
677 
        add     esi,eax
 677 
        add     esi,eax
678 
        mov     edi,OS_BASE+0x284000   ;HD_CACHE
 678 
        mov     edi, (OS_BASE+IDE_DMA)
679 
        mov     dword [edx], 0x284000  ;DMA_HD_MEM
 679 
        mov     dword [edx], IDE_DMA
680 
        movzx   ecx, [cache_chain_size]
 680 
        movzx   ecx, [cache_chain_size]
681 
        shl     ecx, 9
 681 
        shl     ecx, 9
682 
        mov     word [edx+4], cx
 682 
        mov     word [edx+4], cx
683 
        shr     ecx,2
 683 
        shr     ecx,2
684 
        cld
 684 
        cld